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运用谐振腔ｑ 参数的传输和变换规律，研究了钛蓝宝石激光器的泵浦光与振荡光的模式匹配，结果表明在实用器件中采用单一透镜不可能实现模式匹配，进而研究了一种新的模式匹配法，并给出了实用参数设计方法．
Using the transmission and transformation law of the q-parameter of the resonant cavity, the pattern matching between the pump light and the oscillating light of the Ti-sapphire laser was studied. The results show that it is impossible to realize the pattern matching in a practical device by using a single lens, and then a new mode Matching method, and gives the practical parameter design method.